Display screen with a graphical user interface



The FIGURE is a front view of a display screen with a graphical user interface showing our new design.

The differences in grayscale of the line in the FIGURE depict a contrast in appearance and form part of the claimed design. The dash-dot-dash broken lines showing the display screen, monitor and base are included for the purpose of illustrating environment and form no part of the claimed design. The remaining broken lines show elements of the graphical user interface that form no part of the claimed design. 

CLAIM The ornamental design for a display screen with a graphical user interface, as shown and described. 